iio: backend: make use of dev_err_cast_probe()

Using dev_err_cast_probe() to simplify the code.

Signed-off-by: Nuno Sa <nuno.sa@analog.com>
Link: https://patch.msgid.link/20240606-dev-add_dev_errp_probe-v3-3-51bb229edd79@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/industrialio-backend.c b/drivers/iio/industrialio-backend.c
index 929aff4040edd2b5a240462fb7d4febbbd4c5c62..efe05be284b6ed3ec739e472953e4f6ff510d288 100644 (file)
--- a/drivers/iio/industrialio-backend.c
+++ b/drivers/iio/industrialio-backend.c
@@ -561,11 +561,9 @@ struct iio_backend *devm_iio_backend_get(struct device *dev, const char *name)
        }
 
        fwnode = fwnode_find_reference(dev_fwnode(dev), "io-backends", index);
-       if (IS_ERR(fwnode)) {
-               dev_err_probe(dev, PTR_ERR(fwnode),
-                             "Cannot get Firmware reference\n");
-               return ERR_CAST(fwnode);
-       }
+       if (IS_ERR(fwnode))
+               return dev_err_cast_probe(dev, fwnode,
+                                         "Cannot get Firmware reference\n");
 
        guard(mutex)(&iio_back_lock);
        list_for_each_entry(back, &iio_back_list, entry) {